Top Senior Engineer Jobs in Chicago, IL

Lead and manage software engineering teams to design, build, and integrate enterprise applications. Drive coding, testing, code review, CI/CD practices, and mentor staff while overseeing project planning, budgeting, and client delivery to meet timelines and quality standards.

Perform FEA and hand calculations to evaluate and optimize UAV airframe structures. Conduct static, modal, fatigue, and vibration analyses, support structural test planning and data correlation, define loads and material properties, and produce structural analysis reports while collaborating with cross-functional engineering teams.

Integrate, characterize, calibrate, and validate multi-modal navigation sensors (IMUs, GNSS, cameras, altimeters). Develop test plans, calibration scripts, and data-processing tools; collaborate across electrical, mechanical, and software teams; support schematics, CAD, drivers, and lab-based sensor testing through production.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Support selection, characterization, calibration, and integration of multi-modal navigation and localization sensors (IMUs, GNSS, cameras). Develop and run test plans, calibration scripts, and data-processing tools. Work cross-functionally with EE/ME/SW on electrical interfaces, mounting, thermal/vibration, and software drivers. Debug hardware–firmware–software issues, document trade studies and integration requirements, and support production and occasional travel.

Operate and automate large-scale data plane services (Cassandra, Elasticsearch/OpenSearch, Kafka, etc.), build infrastructure for a devops model, troubleshoot production incidents, and ensure petabyte-scale data is secure, available, and efficiently managed.

Lead planning, scoping, and building of agentic AI systems using LLMs, RAG, orchestration tools, and vector databases. Conduct experiments on reasoning, planning, and memory; build and optimize pipelines (e.g., LangChain, LangGraph, CAMEL); collaborate across product, engineering, and research; provide tooling, infrastructure, and deployment recommendations; and support end-to-end delivery and knowledge transfer for scalable assistant deployments.

Design, prototype, and deploy agentic LLM systems and RAG pipelines. Evaluate models and orchestration tools (LangChain, LangGraph, CAMEL), build/optimize pipelines, integrate vector databases, collaborate across product/engineering/research, and provide technical guidance for scalable GenAI deployments.

Own developer-facing outreach for Trail of Bits: grow community relationships, support and onboard maintainers, convert research into usable tools and docs, publish deep technical content, run workshops and conference presence, and attract upstream contributions while routing practitioner feedback into product and research priorities.

Senior SRE owning availability, automation, and observability for CI/CD platform services. Build and operate infrastructure, run on-call, lead incident response, mentor engineers, drive design/capacity planning, integrate AI-assisted workflows, and improve cross-team reliability.

The Senior Engineer - Boomi Architect leads enterprise integration projects, designing solutions using Boomi iPaaS, and mentoring junior engineers while ensuring scalability and quality standards.

Design, build, and maintain CI/CD pipelines and tooling for Android and iOS apps. Automate builds, caching, quality checks, security scans, and device-farm testing. Collaborate with developers and on-prem infrastructure teams (Kubernetes, Hashicorp, private cloud) to ensure reliable SDLC tooling, monitoring, and alerting.

Design, develop, and implement ATDD/BDD automated tests using AI tools and frameworks (Cypress, Cucumber, TypeScript). Execute UI and API testing, integrate automation in CI/CD pipelines, mentor testers, collaborate with scrum teams on acceptance criteria, and validate system quality across functional, integration, and regression testing.

Lead and manage a QA team to design and implement QA strategy, automation, and testing frameworks for SaaS and on-prem products. Drive test planning, automation (UI/API), CI integration, metrics reporting, root-cause analysis, and continuous improvement while mentoring engineers and collaborating with cross-functional teams to ensure timely, high-quality releases.

Design, build, and support Workday Financials solutions and integrations across finance modules. Partner with product owners and finance stakeholders to translate requirements, automate processes, troubleshoot production issues, maintain documentation, and stay current with Workday platform updates and capabilities.

Lead teams and projects to design, build, and operate scalable, highly available payment systems. Mentor engineers, collaborate with product managers, deliver cloud-native full‑stack solutions using microservices, containers, databases, and AWS/Azure/GCP technologies, and occasionally write or review code.

As a Senior Software Engineer on the Bank Payments team, you will lead technical projects, mentor engineers, and develop scalable Java-based web services while driving innovation in North America's core banking payment systems.

Lead and mentor engineering teams to design, build, and operate highly available, scalable payment systems (debit network) using cloud-native microservices. Collaborate with product managers, deliver secure cloud solutions, and occasionally write or review code. Drive technical transformation, experiment with new technologies, and support regulatory needs.

As a Senior Staff Engineer at Braze, you will lead technical initiatives in the Channels division, ensuring effective message delivery, mentoring engineers, and enhancing architectural quality while actively contributing to software development.

Design, build, and operate scalable backend and ML-enabled services for Expedia's advertiser platform. Productionize ML/LLM features (recommendations, ranking, forecasting, RAG), own APIs, data/feature pipelines, monitoring, and lead cross-functional delivery and engineering best practices.

Build and operate scalable platform services, developer tools, and internal infrastructure used across more than 20 engineering teams. Lead technical strategy, platform roadmaps, reliability improvements, CI/CD, observability, containerized environments, compliance, and incident resolution. Influence engineering standards without direct authority, mentor engineers, communicate with senior stakeholders, reduce technical debt, and guide responsible adoption of AI-assisted software development practices.

Lead a team of developers and a portfolio of technology projects, building cloud-based full-stack solutions with distributed microservices. Collaborate with product managers, address regulatory needs, evaluate and contribute to code, mentor engineers, and adopt emerging technologies. The role uses JavaScript, Java, TypeScript, SQL, Python, Go, AWS, databases, Docker, and Kubernetes.

Design, build, and operate scalable IAM solutions across cloud and internal systems. Implement role design, reduce privilege sprawl, automate access workflows and reviews, integrate logging/metrics into SIEM, identify and mitigate risky permissions, and drive secure-by-default patterns and operational runbooks.

Senior-level engineer delivering analytics and ML-Ops solutions for healthcare payers. Design and implement analytics platforms on Databricks, develop CI/CD and provisioning patterns, collaborate with data scientists, mentor juniors, and build client relationships to drive actionable insights and operational improvements.

Lead design and implementation of enterprise data architecture and cloud-based data solutions. Manage large data engineering projects, develop data models and pipelines, ensure governance and security compliance, advise clients strategically, and build high-performing inclusive teams.